Cook, J. Gordon <br/><br/>
We live by the sun / 
by J. Gordon Cook 
 - London :  George G. Harrap,  1957 
 - 192 p. :  ill.;  20 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light<br/>Solar radiation<br/>Color